CW | 8:00 pm

Archie, Betty, Veronica and Jughead (KJ Apa, Lili Reinhart, Camila Mendes, Cole Sprouse) prepare for their first day as the newest teachers at Riverdale High in the new episode "Chapter Eighty-Two: Back to School." The group also meets Veronica's husband, Chad (guest star Chris Mason), after the latTer unexpectedly arrives in town. Betty joins Kevin and Alice (Casey Cott, Madchen Amick) as they follow a lead after learning Polly (guest star Tiera Skovbye, "Nurses") may be in trouble.